Ear muff



FIG. 1 is an upper isometric view of our ear muff showing our new design, wherein the bottom of the ear muff headband is unornamented;

FIG. 2 is a lower isometric view of the design of FIG. 1;

FIG. 3 is a front view of the design of FIG. 1;

FIG. 4 is a rear view of the design of FIG. 1;

FIG. 5 is a right side view of the design of FIG. 1;

FIG. 6 is a left side view of the design of FIG. 1;

FIG. 7 is a top view of the design of FIG. 1; and,

FIG. 8 is a bottom view of the design of FIG. 8. 

The ornamental design for an ear muff, as shown and described. 